Re: [Elecraft] Battery pack not powering K2

2019-11-10 Thread oz6abm
Thanks for the good advice. I have now seen the voltage drops to 2.3 V on the 
battery when the K2 is powered on, even though it's close to 11 V charged.
So I have ordered a new battery and will see if that resolves it.

73
Robin

-Original Message-
From: Don Wilhelm  
Sent: Sunday, 10 November 2019 19.24
To: Frank Krozel ; hawley, charles j jr 

Cc: Elecraft@mailman.qth.net; rob...@mail.dk
Subject: Re: [Elecraft] Battery pack not powering K2

Frank,

Yes, that is the battery supplied by Elecraft.
If you do not have the battery installed, you may also be missing the thin foam 
strip that is to go between the battery and the bracket. 
Nothing really special, and if you have some of that material on hand, just cut 
it the size of the battery.  The foam pad makes the battery a bit more secure 
when installed in the bracket (i.e no rattling).

73,
Don W3FPR

On 11/10/2019 1:15 PM, Frank Krozel wrote:
> Mine is missing the battery, I was told it is a Powersonic PS-1229 for 
> my K2
> 
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Re: [Elecraft] Battery pack not powering K2

2019-11-10 Thread Don Wilhelm

Frank,

Yes, that is the battery supplied by Elecraft.
If you do not have the battery installed, you may also be missing the 
thin foam strip that is to go between the battery and the bracket. 
Nothing really special, and if you have some of that material on hand, 
just cut it the size of the battery.  The foam pad makes the battery a 
bit more secure when installed in the bracket (i.e no rattling).


73,
Don W3FPR

On 11/10/2019 1:15 PM, Frank Krozel wrote:

Mine is missing the battery, I was told it is a
Powersonic PS-1229 for my K2


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Re: [Elecraft] Battery pack not powering K2

2019-11-10 Thread Frank Krozel
Mine is missing the battery, I was told it is a 
Powersonic PS-1229 for my K2

Is that true?

-73-  FrankKG9H
kg9hfr...@gmail.com




> On Nov 10, 2019, at 8:22 AM, hawley, charles j jr  
> wrote:
> 
> I had my first battery last about 5 years until it wouldn't turn on the 
> radio. It started to leak on one corner, so I was glad to get it out of there 
> before it got on anything. Do you measure the voltage when the K2 switch is 
> turned on? Mine was about 3 volts when the rig was turned on, but obviously 
> dark.
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Chuck Hawley
> c-haw...@illinois.edu
> 
> Amateur Radio, KE9UW
> aka Jack, BMW Motorcycles
> 
> 
> From: elecraft-boun...@mailman.qth.net  on 
> behalf of oz6...@qsl.net 
> Sent: Sunday, November 10, 2019 5:56 AM
> To: Elecraft@mailman.qth.net 
> Subject: [Elecraft] Battery pack not powering K2
> 
> Hi,
> 
> 
> 
> I hope someone can help me here. I have K2 with the internal battery kit.
> 
> I have used this radio with the battery for many years, but now I have a 
> problem.
> 
> When I power up the radio with only the battery it is dead, no display 
> nothing.
> 
> When I apply a PSU it works fine.
> 
> I have checked all the connections P3 (Aux) and the Int. Battery switch on 
> the back panel is ON.
> 
> Anyway, nothing has changed since it last worked.
> 
> When I check the voltage on the battery terminals it says 10.5V. I get the 
> same reading on the P3 connector, so power is reaching the radio, but the 
> radio is not powering up.
> 
> 
> 
> Any suggestions?
> 
> 
> 
> Thanks
> 
> Robin
> 
> OZ6ABM/5P5R
> 
> 
> 
> __
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Re: [Elecraft] Battery pack not powering K2

2019-11-10 Thread hawley, charles j jr
I had my first battery last about 5 years until it wouldn't turn on the radio. 
It started to leak on one corner, so I was glad to get it out of there before 
it got on anything. Do you measure the voltage when the K2 switch is turned on? 
Mine was about 3 volts when the rig was turned on, but obviously dark.

























Chuck Hawley
 c-haw...@illinois.edu

 Amateur Radio, KE9UW
 aka Jack, BMW Motorcycles


From: elecraft-boun...@mailman.qth.net  on 
behalf of oz6...@qsl.net 
Sent: Sunday, November 10, 2019 5:56 AM
To: Elecraft@mailman.qth.net 
Subject: [Elecraft] Battery pack not powering K2

Hi,



I hope someone can help me here. I have K2 with the internal battery kit.

I have used this radio with the battery for many years, but now I have a 
problem.

When I power up the radio with only the battery it is dead, no display nothing.

When I apply a PSU it works fine.

I have checked all the connections P3 (Aux) and the Int. Battery switch on the 
back panel is ON.

Anyway, nothing has changed since it last worked.

When I check the voltage on the battery terminals it says 10.5V. I get the same 
reading on the P3 connector, so power is reaching the radio, but the radio is 
not powering up.



Any suggestions?



Thanks

Robin

OZ6ABM/5P5R



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Re: [Elecraft] Battery pack not powering K2

2019-11-10 Thread Peter Eijlander (PA0PJE)

Hello Robin,

10,5 Volts is very low for a 12 V.lead-acid battery. Try to load it with
a lamp or resistor and measure the voltage at the battery again under
load condition. I doubt that all cells in the battery are good. The gel
in these batteries can dry out, which is killing them.

There is also a series diode in the supply-line to prevent damage due to
reverse connection of a power supply that at least has a voltage drop of
0,2 volts. I don't recall on what voltage the K2 will cease to work.

73,
Peter - PA0PJE

Op 10-11-19 om 12:56 schreef oz6...@qsl.net:

Hi,

  


I hope someone can help me here. I have K2 with the internal battery kit.

I have used this radio with the battery for many years, but now I have a 
problem.

When I power up the radio with only the battery it is dead, no display nothing.

When I apply a PSU it works fine.

I have checked all the connections P3 (Aux) and the Int. Battery switch on the 
back panel is ON.

Anyway, nothing has changed since it last worked.

When I check the voltage on the battery terminals it says 10.5V. I get the same 
reading on the P3 connector, so power is reaching the radio, but the radio is 
not powering up.

  


Any suggestions?

  


Thanks

Robin

OZ6ABM/5P5R

  


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Re: [Elecraft] Battery pack not powering K2

2019-11-10 Thread Ingo Meyer, DK3RED

Hello Robin,



I hope someone can help me here. I have K2 with the internal battery kit.

...

When I check the voltage on the battery terminals it says 10.5V. I get the same 
reading on the P3 connector, so power is reaching the radio, but the radio is 
not powering up.


I had the same problem a few years ago. Charging with an external charger seemed to work. 
But the transceiver switched off very quickly, even though there was still enough voltage. 
Finally, after 10 or 11 years of use, I exchanged the battery for a new one and everything 
was fine again. Knowledge: Lead batteries don't live forever.



73/72 de Ingo, DK3RED - Don't forget: the fun is the power!
www.qrp4fun.de - dk3...@qrp4fun.de
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[Elecraft] Battery pack not powering K2

2019-11-10 Thread oz6abm
Hi,

 

I hope someone can help me here. I have K2 with the internal battery kit.

I have used this radio with the battery for many years, but now I have a 
problem.

When I power up the radio with only the battery it is dead, no display nothing.

When I apply a PSU it works fine.

I have checked all the connections P3 (Aux) and the Int. Battery switch on the 
back panel is ON.

Anyway, nothing has changed since it last worked.

When I check the voltage on the battery terminals it says 10.5V. I get the same 
reading on the P3 connector, so power is reaching the radio, but the radio is 
not powering up.

 

Any suggestions?

 

Thanks

Robin

OZ6ABM/5P5R

 

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Re: [Elecraft] Battery Pack Mod for the KX3

2016-07-05 Thread Erlend Grimseid
+1 me to.

I have an lifepo4 battery consisting of 8 aa cells. (4s2p) External of
course. Good for a couple of hours of light use. About 2ah.

La4tta
Erlend
5. jul. 2016 11:49 p.m. skrev "Peter Lambert" :

> I'd definitely buy an LiFePO4 pack and INTERNAL charger board upgrade
> too.  But only if the batteries can be charged while inside the KX3.  I'd
> leave it the way it is if it meant opening the case to remove the batteries
> for charging.
>
> 73's Peter VK4JD
>
> -Original Message-
> From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of
> Doug Kingston
> Sent: Wednesday, 6 July 2016 7:39 AM
> To: Dan Baker
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] Battery Pack Mod for the KX3
>
> +1.  That is definitely a upgrade I would buy.
>
> On Sun, Jul 3, 2016 at 7:22 PM, Dan Baker  wrote:
>
> > I would like to be able to get rid of the AA cell holders inside the
> > KX3, and go with a battery pack similar to the KX2. LiFePO4 would be a
> > nice choice in a battery. For instance, I am very happy with
> > Bioennopower products, www.bioennopower.com Something similer would be
> > very nice. Wayne could write the firmware for different battery types
> > to accommodate charging inside the rig. Then Elecraft could sell us
> > some new parts to make the mod. I think there are more than a few of
> > us that would appreciate not having to take AA’s out of the rig. And
> > the added benefits of LiFePO4 are great.
> >
> >
> > Thanks,   Dan KM6CQ
> > __
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Re: [Elecraft] Battery Pack Mod for the KX3

2016-07-05 Thread Peter Lambert
I'd definitely buy an LiFePO4 pack and INTERNAL charger board upgrade too.  But 
only if the batteries can be charged while inside the KX3.  I'd leave it the 
way it is if it meant opening the case to remove the batteries for charging.

73's Peter VK4JD

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Doug 
Kingston
Sent: Wednesday, 6 July 2016 7:39 AM
To: Dan Baker
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Battery Pack Mod for the KX3

+1.  That is definitely a upgrade I would buy.

On Sun, Jul 3, 2016 at 7:22 PM, Dan Baker  wrote:

> I would like to be able to get rid of the AA cell holders inside the 
> KX3, and go with a battery pack similar to the KX2. LiFePO4 would be a 
> nice choice in a battery. For instance, I am very happy with 
> Bioennopower products, www.bioennopower.com Something similer would be 
> very nice. Wayne could write the firmware for different battery types 
> to accommodate charging inside the rig. Then Elecraft could sell us 
> some new parts to make the mod. I think there are more than a few of 
> us that would appreciate not having to take AA’s out of the rig. And 
> the added benefits of LiFePO4 are great.
>
>
> Thanks,   Dan KM6CQ
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Re: [Elecraft] Battery Pack Mod for the KX3

2016-07-05 Thread Doug Kingston
+1.  That is definitely a upgrade I would buy.

On Sun, Jul 3, 2016 at 7:22 PM, Dan Baker  wrote:

> I would like to be able to get rid of the AA cell holders inside the KX3,
> and go with a battery pack similar to the KX2. LiFePO4 would be a nice
> choice in a battery. For instance, I am very happy with Bioennopower
> products, www.bioennopower.com Something similer would be very nice. Wayne
> could write the firmware for different battery types to accommodate
> charging inside the rig. Then Elecraft could sell us some new parts to make
> the mod. I think there are more than a few of us that would appreciate not
> having to take AA’s out of the rig. And the added benefits of LiFePO4 are
> great.
>
>
> Thanks,   Dan KM6CQ
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[Elecraft] Battery Pack Mod for the KX3

2016-07-03 Thread Dan Baker
I would like to be able to get rid of the AA cell holders inside the KX3,
and go with a battery pack similar to the KX2. LiFePO4 would be a nice
choice in a battery. For instance, I am very happy with Bioennopower
products, www.bioennopower.com Something similer would be very nice. Wayne
could write the firmware for different battery types to accommodate
charging inside the rig. Then Elecraft could sell us some new parts to make
the mod. I think there are more than a few of us that would appreciate not
having to take AA’s out of the rig. And the added benefits of LiFePO4 are
great.


Thanks,   Dan KM6CQ
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Re: [Elecraft] battery pack query

2005-08-15 Thread Steve Hostetler

Ralph,
Another possibility if weight is not a concern:  I use 2 7.2V R/C 
batteries (3000 mAh) in series with a 1N4000 to drop the voltage a bit.  
This is ideal for the KX1 because the voltage remains high (13+)  
throughout discharge which maximizes the rf output.  The KX1 will easily 
run a week with this set up.  Be sure to put a fuse in the supply to the 
radio.


73, steve, kx7r

R & L Webb wrote:


What is the collective thinking for an outboard 12VDC rechargeable battery pack 
I can use with this little gem?

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re: [Elecraft] battery pack query

2005-08-15 Thread michael



Ralph, VE7OM wrote :


I've just purchased a KX1 and I expect to use it on vacations etc.

What is the collective thinking for an outboard 12VDC rechargeable 
battery pack I can use with this little gem?


I'm looking for something that I can take away with me that will last 
for a week or so without recharging using the rig intermittently.  I 
know that if I were to use it in a Field Day or other continuous mode 
situation,  I'd want to take along a recharger or some sort. (solar 
cells?)




Ralph I have a few external power solutions that I use for both my K1 
and KX1 :


10 X AA NiMH cells.  These work great but the issue is that the 
self-discharge rate on NIMH cells is reasonable
high so by the end of the week you would probably find that your 13.6V 
pack is sitting at about 11v even if
you didn't use it much. I use this solution if I have a planned outing 
and remember to charge the batteries

the night before.

8 X AA LIthium cells. This is a great solution but a bit pricey. I like 
the Lithium cells because they are very light.

Not rechargeable however.

8X AA High-end Alkaline. I have had mixed results depending on the 
Alkaline cells. Sometimes the pack
goes flat pretty quickly. I haven't used this solution much so I can't 
recommend a particular brand of battery.
One advantage is that AA alkaline cells are easy to find and not too 
expensive so you could bring spares.


a small SLA ( Gel cell) 2ahr or larger.  SLAs don't self discharge as 
quickly as NiMH cells but you won't get
full power out like you would with 10 X AA NiMH cells as the voltage 
quickly settles to 12+V. I often use my
2 ahr Gel cell with a SES Micro M+ Portable charge controller and a 
Coleman 5 W flex panel.


http://www.icpsolar.com/specifications.php3?id_article=38

In reasonable sun the rig sees 13+V so I get full power out of the rig. 
The 5W panel provides enough juice
to run the rig and keep the battery topped up as well. The great thing 
about this solution is that you
can go indefinitely as long as you get some sun every few days to top 
off the battery.


Michael VE3WMB

P.S. I got my Coleman 5W Flex at Mountain Equipment Coop here in Ottawa 
for CAN $88.


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RE: [Elecraft] battery pack query

2005-08-14 Thread W3FPR - Don Wilhelm
Ralph,

The proper answer is -- it all depends on your definition of 'intermittent'
and whether you include both weekends in your 'week' of vacation time.

Seriously, all is a compromise - if you are looking for lightweight battery
power, you can use the internal AA Size batteries, but for an external
battery. I would suggest something like a 2.3 AH SLA battery (or whatever
size your compromise parameters for weight vs. capacity allow).  If that
becomes discharged, you can always clip leads to the battery in your car (I
assume a car nearby rather than a backpacking situation) which will provide
you with many more hours of operating pleasure.

73,
Don W3FPR

> -Original Message-
>
> I've just purchased a KX1 and I expect to use it on vacations etc.
>
> What is the collective thinking for an outboard 12VDC
> rechargeable battery pack I can use with this little gem?
>
> I'm looking for something that I can take away with me that will
> last for a week or so without recharging using the rig
> intermittently.  I know that if I were to use it in a Field Day
> or other continuous mode situation,  I'd want to take along a
> recharger or some sort. (solar cells?)
>
> I've seen small amp-hour gel cells, but there might be something
> else out there that I've missed.
>
> Thanks for the help.
>
> Ralph Webb, VE7OM
>
--
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Re: [Elecraft] battery pack query

2005-08-14 Thread Leigh L Klotz, Jr.

Ralph,

If you don't need the full 3 or 4 watts you get from external 12v+, the 
internal Lithium cels will last much longer than a week.


For more power, I use a 10-cell AA holder from Mouser.com ($2) with 
Energizer 2500mAH cells in it ($30 for for 3 packs of 4 at Wal Mart), 
and a thick rubber band to hold it on the bottom of the KX1.  
Batteryspace.com and Hamstop.com each have chargers that are small 
enough to put in your pocket and will charge up NiMH packs.


There are flat 2.3AH Gel Cells are of similar capacity, and they don't 
aelf-discharge the way NiMH does, but they weigh quite a bit more.  
There used to be a nice "Power Pocket" neoprene package but I don't see 
them in that size any more.

73,
Leigh / WA5ZNU
On Sun, 14 Aug 2005 4:00 pm, R & L Webb wrote:

Gents,
I've just purchased a KX1 and I expect to use it on vacations etc.

What is the collective thinking for an outboard 12VDC rechargeable 
battery pack I can use with this little gem?

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[Elecraft] battery pack query

2005-08-14 Thread R & L Webb
Gents,

I've just purchased a KX1 and I expect to use it on vacations etc.  

What is the collective thinking for an outboard 12VDC rechargeable battery pack 
I can use with this little gem?

I'm looking for something that I can take away with me that will last for a 
week or so without recharging using the rig intermittently.  I know that if I 
were to use it in a Field Day or other continuous mode situation,  I'd want to 
take along a recharger or some sort. (solar cells?)

I've seen small amp-hour gel cells, but there might be something else out there 
that I've missed.

Thanks for the help.

Ralph Webb, VE7OM
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[Elecraft] Battery pack

2005-01-26 Thread rckchp
This may be of interest for portable ops : 
 
http://www.sportsmansguide.com/cb/cb.asp?a=178616

I've had one in the past, very handy package, but I lost it  :'( , so I'm 
ordering a replacement, its a good price ..usual disclaimers, I have no 
connection with the vendor or manufacturerjust a satisfied user.

72,

Rich  K2CPE
K2 #1102
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